Each child is different, but most children need to be given clear rules about behavior. Read on for some discipline tips by age group.

Lying and stealing are common, but inappropriate, behaviors in school-aged children. Most of the time these behaviors will be outgrown. Here's what you should know.

The teen years bring a focus on social interactions and friendships. This includes same-gender friends, same-gender groups of friends, and cross-gender groups of friends. In addition, sexual maturity triggers teens' interest in dating and sexual relationships.

Temper tantrums are a normal part of childhood development. They often happen only with a parent. They are a way for the child to communicate their feelings. Read on to learn more.

Time-out is a type of discipline that is used to stop bad behavior in a child. It takes the child out of the situation and gives them time to calm down.

Bipolar disorder is a type of depression. A teen with bipolar disorder often has extreme mood swings. These mood swings go beyond the day's normal ups and downs.

Major depression goes beyond the day's normal ups and downs. It involves a teen's body, mood, and thoughts. It can affect and disrupt eating, sleeping, or thinking patterns.

Generalized anxiety disorder (GAD) is a mental health problem. A child with GAD has a lot of worry and fear that seems to have no real cause.

Learn details about separation anxiety disorder in children, including causes, symptoms, diagnosis, and treatment.

The prospect of new experiences away from parents or other loved ones can be quite frightening, especially for younger children. These worries are a normal part of development for all children.

Anorexia nervosa is an eating disorder. It is a form of self-starvation. Children and teens with this health problem have a distorted body image. They think they weigh too much.

Bulimia nervosa is an eating disorder. A child with bulimia overeats or binges uncontrollably. This overeating may be followed by self-induced throwing up (purging).

At least 8 million people in the U.S. are living with an eating disorder. Read on for a helpful overview of the three main types of eating disorders.

Attention-deficit/hyperactivity disorder (ADHD) is a brain-based, or neurodevelopmental, disorder. It is often first diagnosed in childhood.

Autism spectrum disorder is a problem that affects a child's nervous system and growth and development. It often shows up during a child's first 3 years of life.

A child with a communication disorder has trouble communicating with others. They may not understand or make the sounds of speech. The child may also struggle with word choice, word order, or sentence structure.

Having a child with autism spectrum disorder can be hard on the entire family. That's why it's so important to have a good support system in place. Read on to learn more.

If you are a parent or grandparent of a child with ASD, it can be heartbreaking if you feel like you just can't connect with them. Here are some things to know that can help you and your relationship.

A learning disorder is when a child has trouble learning in certain school subjects. Your child may have problems with reading, math, or writing. Here's what you need to know, and how to help.

Children's mental health is as important as their physical health. Read on for helpful answers to common questions that can help you protect your child's mental health.

A psychiatric evaluation looks at the child's behaviors, when those behaviors happen, and what impact those behaviors have on school, family, and other relationships.

Common symptoms of a potential emotional, behavioral, or developmental problem include poor grades in school, withdrawal from friends and family, and insomnia.

Team members may include a child and adolescent psychiatrist, a psychologist, a social worker, and a psychiatric nurse. Read on to learn more.

Suicide is when a teen causes his or her own death on purpose. Before trying to take his or her own life, a teen may have thoughts of wanting to die. Read on to learn how to recognize the warning signs, and how to get your teen help.